8. Why is there a sense of
pressure change inside the ear
when someone goes down a
mountain?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
The pressure inside the ear is
maintained equal the external ear (so
the exterior too) due a
communicating duct between middle
ear and the called the auditory
tube, Eustachian tube. When
someone down a mountain the
pressure upon the middle increases
and it is to do some exercises
fake swallowing to force
opening ofthe pharyngeal orifice
auditory tube to equalize pressure
again.